Abstract
To analyze the genetic diversity of Bupleurum marginatum growing in northwest area of Hubei province of china,and provide the molecular identification method for Bupleurum marginatum and basis for its exploitation and utilization. ISSR Molecular markers were used to analyse the genetic relationship between Bupleurum species in northwest area of Hubei province (NAHP) and the Bupleurum chinense DC.. 12 samples of Bupleurum marginatum were amplified to 81 ISSR bands and there were 42 polymorphic bands, the rate of polymorphic bands was 51.9%. 12 samples of Bupleurum marginatum were clustered into one group, two samples of Bupleurum chinense DC. were clustered into another group. The biodiversity and germplasm resources of Bupleurum marginatum in NAHP is abundant and it is beneficial for the development of Bupleurum marginatum. The method of ISSR marker can significantly distinguish Bupleurum marginatum from its closely related species as the molecular features of the species identification and provide basis for distinguishing different germplasm.
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